20221216970 has 8 divisors (see below), whose sum is σ = 36398190564. Its totient is φ = 8088486784.

The previous prime is 20221216957. The next prime is 20221216993. The reversal of 20221216970 is 7961212202.

20221216970 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20188715569 + 32501401 = 142087^2 + 5701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011060839 + ... + 1011060858.

Almost surely, 2^20221216970 is an apocalyptic number.

20221216970 is a deficient number, since it is larger than the sum of its proper divisors (16176973594).

20221216970 is a wasteful number, since it uses less digits than its factorization.

20221216970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022121704.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 20221216970 in words is "twenty billion, two hundred twenty-one million, two hundred sixteen thousand, nine hundred seventy".